Home / 345,285,749.56-476,488,703.37-188,649,485.32

Finding the Fourth Proportional to 345,285,749.56, 476,488,703.37 and 188,649,485.32

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Solution

The fourth proportional to 345,285,749.56, 476,488,703.37 and 188,649,485.32 is: 260,333,213.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,285,749.56 : 476,488,703.37 = 188,649,485.32 : x
  2. Step 2: Convert to fraction form
    345,285,749.56/476,488,703.37 = 188,649,485.32/x
  3. Step 3: Cross multiply
    345,285,749.56x = 476,488,703.37 × 188,649,485.32
  4. Step 4: Simplify right side
    345,285,749.56x = 89,889,348,651,544,640
  5. Step 5: Solve for x
    x = 89,889,348,651,544,640/345,285,749.56
  6. Step 6: Final answer
    x = 260,333,213.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.